diff --git a/lab-service/lab-lims/src/main/java/org/springblade/lims/service/impl/EntrustServiceImpl.java b/lab-service/lab-lims/src/main/java/org/springblade/lims/service/impl/EntrustServiceImpl.java
index 1ab3f6c..716bfbf 100644
--- a/lab-service/lab-lims/src/main/java/org/springblade/lims/service/impl/EntrustServiceImpl.java
+++ b/lab-service/lab-lims/src/main/java/org/springblade/lims/service/impl/EntrustServiceImpl.java
@@ -1115,11 +1115,8 @@ public class EntrustServiceImpl extends BaseServiceImpl<EntrustMapper, Entrust>
         // 检测依据
         ExamineBasis examineBasis = examineBasisService.getById(examine.getExamineBasisId());
         String[] split = examine.getExperieNum().split(",");
-        // 如果检测编号截取后长度
-        String s = "/";
-        if (split[0].split("-").length > 1) {
-            s = split[0].split("-")[0];
-        }
+        // 获取检测编号前缀
+        String s = getExperieNumPrefix(split[0]);
         result.put("1", s);
         result.put("2", examineResult.getDisposal());
         result.put("3", examine.getSimpleName());
@@ -2916,6 +2913,22 @@ public class EntrustServiceImpl extends BaseServiceImpl<EntrustMapper, Entrust>
         }
     }
 
+    /**
+     * 计算检测编号前缀
+     */
+    private String getExperieNumPrefix(String experieNum) {
+        String result = "";
+        if (experieNum != null && !"".equals(experieNum) && experieNum.split("-").length > 1) {
+            String[] split = experieNum.split("-");
+            // 如：J-20221012-1，length = 3，split.length - 1 = 2，split[0]=J，split[1]=20221012，
+            for (int i = 0; i < split.length - 1; i++) {
+                result += split[i] + "-";
+            }
+            result = result.substring(0, result.length()-1);
+        }
+        return result;
+    }
+
     /**
      * 通过空格替换null
      *